package com.forezp.servicegateway;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.gateway.route.RouteLocator;
import org.springframework.cloud.gateway.route.builder.RouteLocatorBuilder;
import org.springframework.cloud.netflix.hystrix.EnableHystrix;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Mono;

@SpringBootApplication
@EnableHystrix
@RestController
public class ServiceGatewayApplication {

    public static void main(String[] args) {
        SpringApplication.run(ServiceGatewayApplication.class, args);
    }

    @Bean
    public RouteLocator routeLocator(RouteLocatorBuilder builder) {
        return builder.routes()
                .route(p -> p
                        .path("/get")
                        .filters(f -> f.addRequestHeader("Hello", "World"))
                        .uri("http://httpbin.org:80"))
                .build();
    }

//    @Bean
//    public RouteLocator routeLocator(RouteLocatorBuilder builder) {
//        String httpUri = "http://httpbin.org:80";
//        return builder.routes()
//                .route(p -> p
//                    .path("/get")
//                    .filters(f -> f.addRequestHeader("hello", "world"))
//                    .uri(httpUri))
//                .route(p -> p
//                    .host("*.hystrix.com")
//                    .filters(f -> f
//                        .hystrix(config -> config
//                            .setName("mycmd")
//                            .setFallbackUri("forward:/fallback")))
//                    .uri(httpUri))
//                .build();
//    }

//    @RequestMapping("/fallback")
//    public Mono<String> fallback(){
//        return Mono.just("fallback");
//    }

}
